Public Email DNS Preflight

Name: Public Email DNS Preflight
Brand: VM5 Delivery Lab (unregistered independent project)
Price: 0.005 USD
Availability: InStock

Read-only public DNS preflight for a domain: MX, SPF and DMARC observations for developer and agent workflows. No email contents, credentials or private DNS access. Informational metadata only.

1 route settlement-verified · $0.005 USDC/request · 1 endpoint · Tools · base network · x402 protocol

Verified routes

GET /v1/email-dns-preflight · $0.005 · 2026-10-27 · receipt

Other routes are unverified.

Networks: Base (settlement-verified)

Discovery is free. Agents search the catalogue here. Payment happens on the listing 402, not on PayAPI.

url https://payapi.market/mcp

Listing facts

Provider: VM5 Delivery Lab (unregistered independent project)
Hosted at: vm5-openapi-x402.onrender.com
Category: Tools
Price: $0.005 USDC per request
Endpoints: 1
Payment networks: Base
Settlement-verified: 1 route, last checked 2026-10-27
Listed on PayAPI Market: 2026-10-26

Try Public Email DNS Preflight

Call a verified route without paying first. The server should answer HTTP 402 Payment Required with the price, the USDC asset, the network and the wallet to pay. An x402 client pays that amount on Base and retries with the payment header.

curl -i "https://vm5-openapi-x402.onrender.com/v1/email-dns-preflight"

About this API

Public Email DNS Preflight is listed in the Tools category with pricing at $0.005 USDC/request. One route has been settlement-verified by PayAPI Market on 2026-10-27. View receipt on Basescan.

Payments settle on base in USDC via the x402 protocol. AI agents discover this API through the PayAPI Market MCP server and pay per request without API keys or accounts.

This API exposes 1 endpoint.

Questions about this API

What does Public Email DNS Preflight do?

Read-only public DNS preflight for a domain: MX, SPF and DMARC observations for developer and agent workflows. No email contents, credentials or private DNS access. Informational metadata only. It is provided by VM5 Delivery Lab (unregistered independent project).

How much does Public Email DNS Preflight cost?

Public Email DNS Preflight is priced at $0.005 USDC per request, paid per call with no subscription. PayAPI Market paid 0.005 USDC for one call to /v1/email-dns-preflight when it verified the listing. The exact amount for each call is in the HTTP 402 response before any money moves.

Do I need an API key or account to use Public Email DNS Preflight?

No. Public Email DNS Preflight uses the x402 protocol, so an agent pays per request in USDC on Base and gets the response, with no API key, account or signup.

Has Public Email DNS Preflight been verified?

Yes, 1 route. PayAPI Market paid for a real call from its own wallet, received real data back and recorded the USDC settlement on-chain, most recently on 2026-10-27.

How does an AI agent find Public Email DNS Preflight?

Through the free PayAPI Market MCP server at https://payapi.market/mcp, using search_apis or get_api, or over plain HTTP at https://payapi.market/agent/search. Discovery is free; the agent pays the provider directly on the listing's own 402.

More Tools APIs · Browse the marketplace · List your own API

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